Short implants compared to implants in vertically augmented bone: a systematic review

Nisand, David; Picard, Nicolas; Rocchietta, Isabella

doi:10.1111/clr.12632

Cited by 86 publications

(97 citation statements)

References 25 publications

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“…The use of such implants can reduce treatment time, cost, and postoperative morbidity compared to bone augmentation procedures. The first EAO consensus conference (2006) had defined short implants as a device with a design intrabony length of 8 mm or less [21] and had demonstrated high success rates and predictable clinical outcomes for placement of short implants [12–14], but there were still controversies regarding the long-term consequences of peri-implant bone loss around short implants and its impact on the long-term implant success rate at that time.…”

Section: Discussionmentioning

confidence: 99%

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Sandwich bone graft for vertical augmentation of the posterior maxillary region: a case report with 9-year follow-up

et al. 2017

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The loss of teeth followed by bone resorption often lead to defects in the alveolar ridge, making installation of dental implants difficult. Correction of such bone defects, especially lack of height of the ridge, is a difficult problem for all dental surgeons. This report describes the outcome of treatment after alveolar ridge augmentation in the atrophic posterior maxillary region via segmental sandwich osteotomy combined with placement of an interpositional autograft prior to placement of endosseous implants. The technique was successfully used to treat a deficiency in the vertical dimension of the posterior maxillary region. Six months after graft surgery, two implants were successfully placed in accordance with the original treatment protocol, and they survived for 9 years of follow-up.

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Section: Discussionmentioning

confidence: 99%

“…Several clinical studies have demonstrated high success rates and predictable clinical outcomes for placement of short implants. Short implants have been proposed as an alternative to avoid the problems associated with vertical augmentation [12–14]. Still, there is a need for more clinical studies to support this recent concept.…”

Section: Introductionmentioning

confidence: 99%

Sandwich bone graft for vertical augmentation of the posterior maxillary region: a case report with 9-year follow-up

et al. 2017

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“…Conversely, results from previous studies on narrow-diameter implants indicate a survival rate of between 96% and 99.4% with follow-ups of 1-5 years and irrespective of the surgical approach used (two-stage surgical approach, one-stage surgical approach, or immediate-function approach; 6,[15][16][17]. However, the limited sample size (12,17) and follow-up duration (12,15) of these studies may increase potential bias, obscuring the true outcomes of fixedprosthetic rehabilitations supported by narrow-diameter or short-length implants.…”

Section: Introductionmentioning

confidence: 99%

“…The use of short implants (7-8.5 mm) has been associated with lower success rates (11), which were nevertheless comparable to those of implants placed in vertically augmented bone (12). In the literature, the reported survival rates for short dental implants range widely (between 88% and 100%; 2,13,14).…”

Section: Introductionmentioning

confidence: 99%

Retrospective cohort clinical investigation of a dental implant with a narrow diameter and short length for the partial rehabilitation of extremely atrophic jaws

Maló¹,

Nobre²,

Lopes³

et al. 2017

J Oral Sci

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Abstract:We investigated the short-term clinical outcomes of narrow-diameter short-length implants for the fixed-prosthetic partial rehabilitation of extremely resorbed jaws. Twenty-three patients requiring partial rehabilitations with narrowplatform short-length implants in any jaw were included in this study. In total, 30 implants 3.3 mm in diameter and 7 (n = 15 implants) or 8.5 (n = 15 implants) mm in length were inserted. The primary outcome measure was implant cumulative survival rate (CSR); the secondary outcome measures were marginal bone resorption at 1 and 3 years and the incidence of biologic and mechanical complications. Five patients (21.7%) with six implants (20%) were lost to follow-up. Two implants failed in two patients, yielding a CSR at 3 years of follow-up of 93.4%. The average (standard deviation) marginal bone resorption was 1.34 mm (0.95 mm) after the first year and 1.38 mm (0.78 mm) after the third year. Biologic complications occurred in three patients; mechanical complications occurred in three patients. Despite the limitations of the study, our findings show that the use of new narrow-diameter short-length implants for the rehabilitation of extremely atrophic regions is viable in the short-term, and can be considered a treatment alternative in extremely resorbed jaws.

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“…3 Sloping shoulder concept refers to transfer of occlusal loads to the bone when positioned below the bony crest and provides room for the bone over the implant, which provides support for the interdental papilla enabling esthetic gingival contours to be easily and consistently achieved. 4 The finite element method (FEM) refers to a numerical technique for structural analysis, which involves dividing a structure into simpler parts called finite elements. These finite elements are collectively known as mesh when assembled at the corner nodes.…”

Section: Introductionmentioning

confidence: 99%

Comparison of Platform Switched and Sloping Shoulder Implants on Stress Reduction in various Bone Densities: Finite Element Analysis

Markose¹,

Suresh

Eshwar

et al. 2017

The Journal of Contemporary Dental Practice

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Introduction:Comparison of platform switched (PS), sloping shoulder, and regular implants on stress reduction in various bone densities with finite element analysis. Materials and methods:A total of 12 three-dimensional finite element models were built to analyze the stress distribution model. Nobel Biocare 4.3 × 8 mm regular platform replace select implant with matching diameter easy abutment, Nobel Biocare 4.3 × 8 mm replace select implant PS with 3.5 mm diameter easy abutment, Bicon 4 × 8 mm implant with 4 mm diameter sloping shoulder abutments were created virtually in compact bone density using software. The 130 N axial force and a 90 N oblique loading force were applied to the abutment to analyze the stress.Results: Under horizontal and vertical loading, the sloping shoulder implant had lesser stresses in cancellous bone when compared with PS and regular implants. Sloping shoulder implant showed more stress distribution at implant-abutment interface and at crestal area, whereas with regular implants, the stresses were distributed at cortical area. Conclusion:Sloping shoulder implant in subcrestal position is much favorable for bone growth, stress distribution, and preservation of remaining bone. Comparison of Platform Switched and Sloping Shoulder Implants on Stress Reduction in various Bone

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Short implants compared to implants in vertically augmented bone: a systematic review

Abstract: This evidence should, however, be interpreted with caution as it is derived from four RCT's with limited sample size (ranging from 15 to 30 per group), limited follow-up and performed by the same research group.

Cited by 86 publications

References 25 publications

Sandwich bone graft for vertical augmentation of the posterior maxillary region: a case report with 9-year follow-up

Sandwich bone graft for vertical augmentation of the posterior maxillary region: a case report with 9-year follow-up

Retrospective cohort clinical investigation of a dental implant with a narrow diameter and short length for the partial rehabilitation of extremely atrophic jaws

Comparison of Platform Switched and Sloping Shoulder Implants on Stress Reduction in various Bone Densities: Finite Element Analysis

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